24C01 I2C-Compatible EEPROM

Overview

The 24C01 is a 1-Kbit (128 x 8) electrically erasable programmable read-only memory (EEPROM) designed for use in applications requiring non-volatile data storage. It is compatible with the I2C (Inter-Integrated Circuit) protocol, making it suitable for communication with microcontrollers and other digital devices. The 24C01 operates over a wide voltage range and offers low power consumption, making it ideal for battery-powered and portable applications.

This device features a byte-write and page-write capability, allowing for flexible data storage operations. It also includes a write-protect pin for hardware-based data protection. The 24C01 is available in multiple package options, including PDIP, SOIC, and TSSOP, ensuring compatibility with various PCB layouts and assembly processes.

Features

• I2C-Compatible Interface: Supports standard (100 kHz) and fast (400 kHz) I2C communication modes.
• 1-Kbit Memory Organization: 128 bytes x 8-bit configuration.
• Low Power Consumption: Active current of 1 mA (typical) and standby current of 1 µA (typical).
• Wide Operating Voltage: 1.7V to 5.5V, suitable for a variety of applications.
• Byte and Page Write: Supports single-byte and 8-byte page write operations.
• Hardware Write Protection: WP pin enables or disables write operations for data security.
• High Reliability: Endurance of 1,000,000 write cycles and data retention of 100 years.
• Industrial Temperature Range: Operates from -40°C to +85°C.
• Multiple Package Options: Available in PDIP, SOIC, and TSSOP packages.

Applications

The 24C01 is widely used in applications requiring small amounts of non-volatile memory with simple interfacing. Common applications include:

• Consumer Electronics: Used in TVs, remote controls, and audio systems for storing configuration data.
• Industrial Systems: Employed in sensors, meters, and control systems for parameter storage.
• Automotive: Utilized in infotainment systems and instrument clusters for data retention.
• Medical Devices: Integrated into portable medical equipment for storing calibration and usage data.
• IoT Devices: Ideal for smart sensors and wearable devices due to low power consumption.

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (V_CC): -0.6V to +6.25V
• Input Voltage (V_IN): -0.6V to V_CC + 0.6V
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

Recommended Operating Conditions

• Supply Voltage (V_CC): 1.7V to 5.5V
• Input Low Voltage (V_IL): -0.3V to 0.3 x V_CC
• Input High Voltage (V_IH): 0.7 x V_CC to V_CC + 0.3V
• Operating Temperature: -40°C to +85°C

DC Characteristics

• Supply Current (I_CC): 1 mA (active, typical), 1 µA (standby, typical)
• Input Leakage Current (I_IN): ±1 µA (max)
• Output Leakage Current (I_OUT): ±1 µA (max)

AC Characteristics

• Clock Frequency (f_SCL): 100 kHz (standard mode), 400 kHz (fast mode)
• Start Condition Hold Time (t_HD;STA): 4.0 µs (min)
• Stop Condition Setup Time (t_SU;STO): 4.0 µs (min)
• Data Hold Time (t_HD;DAT): 0 µs (min)
• Data Setup Time (t_SU;DAT): 100 ns (min)

Package Information

The 24C01 is available in multiple package options to suit different design requirements. Below are the details for each package:

PDIP (Plastic Dual In-Line Package)

• Package Code: P
• Pin Count: 8
• Dimensions: 9.81 mm x 6.35 mm (body)
• Pitch: 2.54 mm

SOIC (Small Outline Integrated Circuit)

• Package Code: S
• Pin Count: 8
• Dimensions: 4.90 mm x 3.90 mm (body)
• Pitch: 1.27 mm

TSSOP (Thin Shrink Small Outline Package)

• Package Code: T
• Pin Count: 8
• Dimensions: 3.00 mm x 4.40 mm (body)
• Pitch: 0.65 mm

Conclusion

The 24C01 is a versatile and reliable I2C-compatible EEPROM suitable for a wide range of applications. Its low power consumption, wide operating voltage, and robust data retention make it an excellent choice for designers seeking non-volatile memory solutions. With multiple package options and a simple interface, the 24C01 integrates seamlessly into various electronic systems.